Exception encountered, of type &quot;LocalFileLockError&quot;<br />
[aTcaYPMzCf3Ob1e8aHcBdgAAAAg] /index.php?diff=2740&amp;oldid=prev&amp;title=File%3AHamburg.Kl%C3%83%C2%B6pperhaus.wmt.jpg   LocalFileLockError from line 1928 of /data/animalwiki/includes/filerepo/file/LocalFile.php: Could not acquire lock for 'Hamburg.Klöpperhaus.wmt.jpg.'<br />
Backtrace:<br />
#0 /data/animalwiki/includes/filerepo/file/LocalFile.php(1876): LocalFile-&gt;lock()<br />
#1 /data/animalwiki/includes/page/WikiFilePage.php(138): LocalFile-&gt;getSha1()<br />
#2 /data/animalwiki/includes/page/ImagePage.php(956): WikiFilePage-&gt;getDuplicates()<br />
#3 /data/animalwiki/includes/page/ImagePage.php(197): ImagePage-&gt;imageDupes()<br />
#4 /data/animalwiki/includes/actions/ViewAction.php(44): ImagePage-&gt;view()<br />
#5 /data/animalwiki/includes/MediaWiki.php(503): ViewAction-&gt;show()<br />
#6 /data/animalwiki/includes/MediaWiki.php(288): MediaWiki-&gt;performAction(ImagePage, Title)<br />
#7 /data/animalwiki/includes/MediaWiki.php(745): MediaWiki-&gt;performRequest()<br />
#8 /data/animalwiki/includes/MediaWiki.php(519): MediaWiki-&gt;main()<br />
#9 /data/animalwiki/index.php(43): MediaWiki-&gt;run()<br />
#10 {main}<br />